09-14-2015, 02:58 PM
I realize that this is a little late, but since I'm the author of the tool mentioned I thought I'd comment. The -x option is for pruning the qwerty graph structure. Method 1 walks a graph using a modified depth-limited search. Depending on the depth specified the script may never complete fully. The "shift_right" represents a directed link in the graph, and generally how you would construct walks manually. In other words, literally holding down shift and then pressing the key to the "right" of the current key. For example, if you were on the "k" key then shift_right would be "L". If you want to avoid caps and symbols you could exclude all the "shift" links in the graph (I think. I haven't tested this). Honestly, Method 2 is the more practical of the two methods of generating walks. Hope that helps a little.